Home / 34,654.16-47,822.64-18,738.56

Finding the Fourth Proportional to 34,654.16, 47,822.64 and 18,738.56

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Solution

The fourth proportional to 34,654.16, 47,822.64 and 18,738.56 is: 25,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.16 : 47,822.64 = 18,738.56 : x
  2. Step 2: Convert to fraction form
    34,654.16/47,822.64 = 18,738.56/x
  3. Step 3: Cross multiply
    34,654.16x = 47,822.64 × 18,738.56
  4. Step 4: Simplify right side
    34,654.16x = 896,127,409.00
  5. Step 5: Solve for x
    x = 896,127,409.00/34,654.16
  6. Step 6: Final answer
    x = 25,859.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.